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Average Weather In November For Wallops Island, Virginia, USA

Location

This report describes the typical weather at the Wallops Flight Facility (Wallops Island, Virginia, United States) weather station over the course of an average November. It is based on the historical records from 1996 to 2012. Earlier records are either unavailable or unreliable.

Wallops Island, Virginia has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (55%), croplands (23%), and forests (22%).

Temperature

The month of November is characterized by falling daily high temperatures, with daily highs decreasing from 62°F to 54°F over the course of the month, exceeding 71°F or dropping below 43°F only one day in ten.

Fraction of Time Spent in Various Temperature Bands in November

The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).

Sun

Over the course of November, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 50 minutes, implying an average day-over-day decrease of 1.7 minutes.

The shortest day of the month is November 30 with 9:45 hours of daylight; the longest day is November 1 with 10:35 hours of daylight.

Daily Hours of Daylight and Twilight in November

The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6° from the horizon), civil twilight (Sun is not visible but is less than 6° below the horizon), nautical twilight (Sun is between 6° and 12° below the horizon), astronomical twilight (Sun is between 12° and 18° below the horizon), and full night.

The earliest sunrise is at 6:31am on November 4; the latest sunset is at 6:03pm on November 1; the latest sunrise is at 7:30am on November 3; the earliest sunset is at 4:43pm on November 29.

Daylight savings time (DST) ends at 1:00am on November 4, 2012, shifting sunrise and sunset to an hour earlier.

Daily Sunrise & Sunset with Twilight and Daylight Savings Time in November

The solar day over the course of the year 2012 . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (solar, civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight savings time are indicated by the "DST" labels.

Clouds

The median cloud cover ranges from 38% (mostly clear) to 45% (partly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 5% from the start to the end of the month.

Median Cloud Cover in November

The median daily cloud cover (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).

On November 15, a representative day, the sky is clear or mostly clear47% of the time, partly cloudy4% of the time, and mostly cloudy or overcast36% of the time.

Cloud Cover Types in November

The fraction of time spent in each of the five sky cover categories. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside of the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.

Precipitation

The average probability that some form of precipitation will be observed in a given day is 38%, with little variation over the course of the month.

Probability of Precipitation at Some Point in the Day in November

The fraction of days in which various types of precipitation are observed. If more than one type of precipitation is reported in a given day, the more severe precipitation is counted. For example, if light rain is observed in the same day as a thunderstorm, that day counts towards the thunderstorm totals. The order of severity is from the top down in this graph, with the most severe at the bottom.

Throughout November, the most common forms of precipitation are light rain, moderate rain, and heavy rain.

Light rain is the most severe precipitation observed during 40% of those days with precipitation. It is most likely around November 1, when it is observed during 17% of all days.

Moderate rain is the most severe precipitation observed during 31% of those days with precipitation. It is most likely around November 30, when it is observed during 13% of all days.

Heavy rain is the most severe precipitation observed during 22% of those days with precipitation. It is most likely around November 16, when it is observed during 9% of all days.

Types of Precipitation Throughout November

Relative frequency of various types of precipitation over the course of a typical November.

Snow

The likelihood of snow falling is highest around November 30, occurring in 5% of days.

Probability of Snow Fall Being Reported in a Given Day in November

Probability that snow will be reported at least once in a given day.

Either snow rarely accumulates at this location in November or snow depth measurements are unavailable or unreliable.

Humidity

The relative humidity typically ranges from 52% (mildly humid) to 91% (very humid) over the course of a typical November, rarely dropping below 34% (comfortable) and reaching as high as 100% (very humid).

The air is driest around November 28, at which time the relative humidity drops below 63% (mildly humid) three days out of four; it is most humid around November 12, rising above 87% (very humid) three days out of four.

Relative Humidity in November

The average daily high (blue) and low (brown) relative humidity with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

Dew Point

Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.

Over the course of a typical November, the dew point typically varies from 30°F (dry) to 51°F (very comfortable) and is rarely below 15°F (dry) or above 63°F (mildy humid).

Wind Speed in November

The average daily minimum (red), maximum (green), and average (black) wind speed with percentile bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

The wind is most often out of the south (16% of the time), north west (15% of the time), north (13% of the time), west (12% of the time), and south west (12% of the time). The wind is least often out of the south east (5% of the time).

Wind Directions in November

The fraction of time spent with the wind blowing from the various directions over the entire year. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.

Fraction of Time Spent with Various Wind Directions in November

The fraction of time spent with the wind blowing from the various directions on a daily basis. Stacked values do not always sum to 100% because the wind direction is undefined when the wind speed is zero.